/* linux/amba/pl093.h * * Copyright (c) 2008 Simtec Electronics * http://armlinux.simtec.co.uk/ * Ben Dooks <ben@simtec.co.uk> * * AMBA PL093 SSMC (synchronous static memory controller) * See DDI0236.pdf (r0p4) for more details * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #define SMB_BANK(x) ((x) * 0x20) /* each bank control set is 0x20 apart */ /* Offsets for SMBxxxxRy registers */ #define SMBIDCYR (0x00) #define SMBWSTRDR (0x04) #define SMBWSTWRR (0x08) #define SMBWSTOENR (0x0C) #define SMBWSTWENR (0x10) #define SMBCR (0x14) #define SMBSR (0x18) #define SMBWSTBRDR (0x1C) /* Masks for SMB registers */ #define IDCY_MASK (0xf) #define WSTRD_MASK (0xf) #define WSTWR_MASK (0xf) #define WSTOEN_MASK (0xf) #define WSTWEN_MASK (0xf) /* Notes from datasheet: * WSTOEN <= WSTRD * WSTWEN <= WSTWR * * WSTOEN is not used with nWAIT */ /* SMBCR bit definitions */ #define SMBCR_BIWRITEEN (1 << 21) #define SMBCR_ADDRVALIDWRITEEN (1 << 20) #define SMBCR_SYNCWRITE (1 << 17) #define SMBCR_BMWRITE (1 << 16) #define SMBCR_WRAPREAD (1 << 14) #define SMBCR_BIREADEN (1 << 13) #define SMBCR_ADDRVALIDREADEN (1 << 12) #define SMBCR_SYNCREAD (1 << 9) #define SMBCR_BMREAD (1 << 8) #define SMBCR_SMBLSPOL (1 << 6) #define SMBCR_WP (1 << 3) #define SMBCR_WAITEN (1 << 2) #define SMBCR_WAITPOL (1 << 1) #define SMBCR_RBLE (1 << 0) #define SMBCR_BURSTLENWRITE_MASK (3 << 18) #define SMBCR_BURSTLENWRITE_4 (0 << 18) #define SMBCR_BURSTLENWRITE_8 (1 << 18) #define SMBCR_BURSTLENWRITE_RESERVED (2 << 18) #define SMBCR_BURSTLENWRITE_CONTINUOUS (3 << 18) #define SMBCR_BURSTLENREAD_MASK (3 << 10) #define SMBCR_BURSTLENREAD_4 (0 << 10) #define SMBCR_BURSTLENREAD_8 (1 << 10) #define SMBCR_BURSTLENREAD_16 (2 << 10) #define SMBCR_BURSTLENREAD_CONTINUOUS (3 << 10) #define SMBCR_MW_MASK (3 << 4) #define SMBCR_MW_8BIT (0 << 4) #define SMBCR_MW_16BIT (1 << 4) #define SMBCR_MW_M32BIT (2 << 4) /* SSMC status registers */ #define SSMCCSR (0x200) #define SSMCCR (0x204) #define SSMCITCR (0x208) #define SSMCITIP (0x20C) #define SSMCITIOP (0x210) |